typedef struct
{
  BOOK * book;
}MSG;

typedef struct {
  int b1;
  int b2;
  int b3;
  int b4;
  int b5;
  int equalizer;
  int boost;
  int b1lvl;
  int b2lvl;
  int b3lvl;
  int b4lvl;
  int b5lvl;
  int pos;
}EQ_PRESET;

typedef struct
{
  char band1;
  char band2;
  char band3;
  char band4;
  char band5;
}EQS;

typedef struct
{
BOOK book;
GUI *gui;
}MyBOOK;
